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Old 09-20-2009, 10:07 PM   #1
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polyurethane "filling"


hello. i dont know what this process is called....

i have this 12" X 12" X 1" deep box on sort of a coffee table top. i would like to put things in there at the bottom and fill it with (im assuming) polyurethane. so once it gets all dry and hard, you would be able to see things in there. any tips or suggestions are greatly appreciated.


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Old 09-21-2009, 05:56 AM   #2
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polyurethane "filling"


It's not poly you are thinking of. I can't recall the brand of the stuff I've seen before, but it's basically a two part epoxy like substance. You pour it in and it hardens into a clear "plastic" as they claim.

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Old 09-21-2009, 07:13 AM   #3
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polyurethane "filling"


http://www.epoxyproducts.com/bartop.html

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Old 09-23-2009, 09:08 PM   #4
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polyurethane "filling"


If it is to be one inch thick you will want to use casting resin. The epoxy is not the choice. If your box store does not carry it try an art store or better yet a plastic supply store. Make sure you have your project on a perfectly flat and level surface that can withstand fairly intense heat. You will buy a catalyst to mix in with the resin. Use disposable containers and mixing sticks you can buy with the materials. Mix it thoroughly and quickly (but not so hard you form air bubbles which will not release before it cures) because the chemical reaction will start instantly. Pour over your objects and allow to set. Polish the surface when cured if necessary. Buy a small amount of acetone to get anything off your hands if you don't wear non-reactive gloves. The acetone solvents will chew up more than a few brain cells if you do not have adequate ventilation!!!!
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